<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2019000500440</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.65.440</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Rapid monitoring of heavy metals in fluvial sediments using laser-induced breakdown spectroscopy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martino]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[D&#8217;Angelo]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[C.I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Pace]]></surname>
<given-names><![CDATA[D.M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional del Centro de la Provincia de Buenos Aires Fac. Cs. Exactas Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional del Centro de la Provincia de Buenos Aires Fac. Cs. Humanas Centro de Investigaciones y Estudios Ambientales]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<volume>65</volume>
<numero>5</numero>
<fpage>440</fpage>
<lpage>448</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2019000500440&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2019000500440&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2019000500440&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this work, a quantitative analysis of heavy metals Cr and Cu in fluvial sediments was carried out by Laser-induced breakdown Spectroscopy (LIBS) to assess the anthropogenic. To perform the analysis, different sediment samples were collected at selected positions. Standard addition calibration curves were constructed for Cr and Cu by measuring the Cr I line at 357.87 nm and Cu I line at 324.75 nm. The moisture and organic matter contents of the sediments were taken into account to overcome the matrix effect. The quantitative models were evaluated statistically to evaluate the robustness and prediction ability of the method. Low values for root-mean-square errors for calibration (RMSEC), prediction (RMSEP) and cross-validation (RMSECV) were calculated. High values of the correlation coefficients of calibration (   R  2  c = 0:984 for Cr;    R  2  c = 0:986 for Cu) and cross-validation (   R  2  c v = 0:985 for Cr;    R  2  c v = 0:981 for Cu) were obtained. The calculated limits of detection (LoD) were 2.9 ppm for Cr and 3.3 ppm for Cu, and the limits of quantification (LoQ) were 9.5 ppm for Cr and 11 ppm for Cu. Concentrations of Cr and Cu higher than the baseline values were obtained in the sediments downstream (Cr: 49 ppm, Cu: 81 ppm) which are indicative of the pollution of the basin by heavy metals due to the spill of untreated effluents derived from anthropogenic activities. LIBS analysis was optimized for reliable heavy metal monitoring in fluvial sediments.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Fluvial sediments]]></kwd>
<kwd lng="en"><![CDATA[Chromium]]></kwd>
<kwd lng="en"><![CDATA[Copper]]></kwd>
<kwd lng="en"><![CDATA[Laser-induced breakdown spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[42.62.Fi]]></kwd>
<kwd lng="en"><![CDATA[82.80.Dx]]></kwd>
<kwd lng="en"><![CDATA[07.88.+y]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<collab>World Health Organization</collab>
<source><![CDATA[WHO]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[L.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Magos]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Suzuki]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Toxicology of Metals]]></source>
<year>1996</year>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senesi]]></surname>
<given-names><![CDATA[G.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Baldassarre]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Senesi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Radina]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemo-sphere]]></source>
<year>1999</year>
<volume>39</volume>
<page-range>343</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaparro]]></surname>
<given-names><![CDATA[M.A.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Marié]]></surname>
<given-names><![CDATA[D.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gogorza]]></surname>
<given-names><![CDATA[C.S.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Navas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sinito]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Stud. Geophys. Geod.]]></source>
<year>2010</year>
<volume>54</volume>
<page-range>633</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="book">
<collab>World Health Organization</collab>
<source><![CDATA[Trace Elements in Human Nutrition and Health]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Switzerland ]]></publisher-loc>
<publisher-name><![CDATA[Mcmillan/Ceuterick]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="book">
<collab>Agency for Toxic Substances and Disease Registry</collab>
<source><![CDATA[Toxicological Profile for Chromium]]></source>
<year></year>
<publisher-loc><![CDATA[Atlanta, GA: U.S. ]]></publisher-loc>
<publisher-name><![CDATA[Department of Health and Human Services, Public Health Service]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jaishankar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tseten]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Anbalagan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Mathew]]></surname>
<given-names><![CDATA[B.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Beeregowda]]></surname>
<given-names><![CDATA[K.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Interdiscip. Toxicol.]]></source>
<year>2014</year>
<volume>7</volume>
<page-range>6</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giripunje]]></surname>
<given-names><![CDATA[M.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Fulke]]></surname>
<given-names><![CDATA[A.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Meshram]]></surname>
<given-names><![CDATA[P.U.]]></given-names>
</name>
</person-group>
<source><![CDATA[Clean: Soil, Air, Water]]></source>
<year>2015</year>
<volume>43</volume>
<page-range>1350</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pintilie]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Br&#259;anz&#259;]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Betianu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pavel]]></surname>
<given-names><![CDATA[V.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ungureanu]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Gavrilescu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Eng. Manag. J.]]></source>
<year>2007</year>
<volume>6</volume>
<page-range>153</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yi]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Pollut.]]></source>
<year>2011</year>
<volume>159</volume>
<page-range>2575</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahme]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Raknuzzaman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mamun]]></surname>
<given-names><![CDATA[H. -Al-]]></given-names>
</name>
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[M. K]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecol. Indic.]]></source>
<year>2015</year>
<volume>48</volume>
<page-range>282</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ali]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ali]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Islam]]></surname>
<given-names><![CDATA[Md. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rahman]]></surname>
<given-names><![CDATA[Md.Z.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Nanotechnol. Monit. Manag.]]></source>
<year>2016</year>
<volume>5</volume>
<page-range>27</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ma]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zuo]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Meng]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Min]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemosphere]]></source>
<year>2016</year>
<volume>144</volume>
<page-range>264</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[M. Z. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hasan]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aktar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fatema]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Toxicol.]]></source>
<year>2017</year>
<volume>1</volume>
</nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Okoro]]></surname>
<given-names><![CDATA[H. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Adeyinka]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jondiko]]></surname>
<given-names><![CDATA[O. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ximba]]></surname>
<given-names><![CDATA[B. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kakalanga]]></surname>
<given-names><![CDATA[S. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Int. J. Phys. Sci.]]></source>
<year>2012</year>
<volume>7</volume>
<page-range>5078</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moor]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lymberopoulou]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Dietrich]]></surname>
<given-names><![CDATA[V. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microchim. Acta.]]></source>
<year>2001</year>
<volume>136</volume>
<page-range>123</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pekey]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mar. Pollut. Bull.]]></source>
<year>2006</year>
<volume>52</volume>
<page-range>1197</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chand]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Microchem. J.]]></source>
<year>2013</year>
<volume>111</volume>
<page-range>53</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miziolek]]></surname>
<given-names><![CDATA[A.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Palleschi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Schechter]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Laser induced break-down spectroscopy]]></source>
<year>2006</year>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cremers]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Radziemski]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of laser-induced breakdown spectroscopy]]></source>
<year>2006</year>
<publisher-name><![CDATA[Wiley]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[J.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Thakur]]></surname>
<given-names><![CDATA[S.N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Laser-Induced breakdown spectroscopy]]></source>
<year>2007</year>
<publisher-name><![CDATA[Elsevier]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pasquini]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[L.M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzaga]]></surname>
<given-names><![CDATA[F.B.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Braz, Chem. Soc.]]></source>
<year>2007</year>
<volume>18</volume>
<page-range>463</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Winefordner]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gornushkin]]></surname>
<given-names><![CDATA[I.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Correll]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Gibb]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[B.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Omenetto]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Anal. At. Spectrom.]]></source>
<year>2004</year>
<volume>19</volume>
<page-range>1061</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tognoni]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[From sample to signal in laser-nduced break-down spectroscopy: a complex route to quantitative analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Miziolek]]></surname>
<given-names><![CDATA[AW.]]></given-names>
</name>
<name>
<surname><![CDATA[Palleschi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Schechter]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Laser-nduced breakdown spectroscopy (LIBS) fundamentals and applications]]></source>
<year>2006</year>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harmon]]></surname>
<given-names><![CDATA[R.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Russo]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Hark]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2013</year>
<volume>87</volume>
<page-range>11</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peng]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Song]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trend, Anal. Chem.]]></source>
<year>2016</year>
<volume>85</volume>
<page-range>260</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lazic]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Barbini]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Colao]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fantoni]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Palucci]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2001</year>
<volume>56</volume>
<page-range>807</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barbini]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Colao]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Lazic]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Fantoni]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Palucci]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Angelone]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2002</year>
<volume>57</volume>
<page-range>1203</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuñat]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fortes]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Laserna]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Anal. Chim. Acta]]></source>
<year>2009</year>
<volume>633</volume>
<page-range>38</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2018</year>
<volume>146</volume>
<page-range>84</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mekonnen]]></surname>
<given-names><![CDATA[K.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ambushe]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chandravanshi]]></surname>
<given-names><![CDATA[B.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Abshiro]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Plessis]]></surname>
<given-names><![CDATA[A. du]]></given-names>
</name>
<name>
<surname><![CDATA[McCrindle]]></surname>
<given-names><![CDATA[R.I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bull. Chem. Soc. Ethiop.]]></source>
<year>2013</year>
<volume>27</volume>
<page-range>1</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senesi]]></surname>
<given-names><![CDATA[G.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earth-Sci. Rev.]]></source>
<year>2014</year>
<volume>139</volume>
<page-range>231</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Austria Jr.]]></surname>
<given-names><![CDATA[E.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[E.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nuesca]]></surname>
<given-names><![CDATA[G.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lamorena]]></surname>
<given-names><![CDATA[R.B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2017</year>
<volume>136</volume>
<page-range>1</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garcimuño]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz Pace]]></surname>
<given-names><![CDATA[D.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bertuccelli]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Op. &amp; Laser Tech.]]></source>
<year>2013</year>
<volume>47</volume>
<page-range>26</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Gigant]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Baudelet]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Richardson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spectrochim. Acta Part B]]></source>
<year>2012</year>
<volume>73</volume>
<page-range>71</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senesi]]></surname>
<given-names><![CDATA[G.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environ. Research]]></source>
<year>2009</year>
<volume>109</volume>
<page-range>413</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="">
<collab>INDEC</collab>
<source><![CDATA[Censo Nacional de Población y Vivienda]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz de Galarreta]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Estudios Ambientales]]></source>
<year>2013</year>
<volume>1</volume>
<page-range>2</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DÃaz Pace]]></surname>
<given-names><![CDATA[D.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Quant. Spectrosc. Radiat. Transf.]]></source>
<year>2013</year>
<volume>129</volume>
<page-range>254</page-range></nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="">
<source><![CDATA[NIST Electronic Database]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wold]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Technometrics]]></source>
<year>1978</year>
<volume>20</volume>
<page-range>397</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Geladi]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Kowalski]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Anal. Chim. Acta]]></source>
<year>1986</year>
<volume>185</volume>
<page-range>1</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Jia]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang, Z.N.]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[IntechOpen]]></source>
<year>2018</year>
<page-range>31</page-range><publisher-loc><![CDATA[London ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[L.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Rendina]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Orgeira]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sci. of Total Environ.]]></source>
<year>2018</year>
<volume>627</volume>
<page-range>133</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bowen]]></surname>
<given-names><![CDATA[H.J.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Environmental chemistry of the elements]]></source>
<year>1979</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hahn]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Omenetto]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Spectrosc.]]></source>
<year>2012</year>
<volume>66</volume>
<page-range>347</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="">
<source><![CDATA[Canadian Council of Ministers of the Environment]]></source>
<year></year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
